1 files changed, 2 insertions, 1 deletions

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index cb155d9fd749..08f9a4dfb18b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -457,9 +457,10 @@ int __devinit start_secondary(void *cpuvoid)
         /* Setup the cpu */
         cpu_init();
         preempt_disable();
-        /* init per CPU timer */
+        /* Enable TOD clock interrupts on the secondary cpu. */
         init_cpu_timer();
 #ifdef CONFIG_VIRT_TIMER
+        /* Enable cpu timer interrupts on the secondary cpu. */
         init_cpu_vtimer();
 #endif
         /* Enable pfault pseudo page faults on this cpu. */